Epson RX595 - Stylus Photo Color Inkjet, Service Manual, Page: 96 / 131

EPSON Stylus Photo RX585/RX595/RX610 Revision B
Adjustment Adjustment Items and Overview 96
5.1 Adjustment Items and Overview
This chapter describes adjustments necessary after the disassembly/reassembly of the
printer.
5.1.1 Servicing Adjustment Item List
The adjustment items of this product are as follows.
C H E C K
P O I N T
For information on how to carry out the adjustments and media
required for the adjustments, see the instructions displayed by the
Adjustment Program.
Table 5-1. Adjustment Items
Adjustment Item Purpose Method Outline Tool
PG Adjustment
Install the Head Nozzle surface parallel to the printing surface and set
the gap between the paper and the Head Nozzle surface to the specified
value. Mechanical adjustment using the thickness gauges. Make a proper
adjustment according to the result whether the manually-moved
carriage (printhead) runs over or hits against the gauges placed on the
platen.
• Thickness Gauge
1.15mm, 1.3mm
EEPROM data copy
When the main board needs to be replaced, use this to copy adjustment
values stored on the old main board to the new board. If this copy is
completed successfully, all the other adjustments required after
replacing the main board are no longer be necessary. Readout the EEPROM data from the main board before removing it.
Then replace the board with a new one, and load the EEPROM data to
the new board.
• Adjustment Program
Initial setting
This must be carried out after replacing the main board to apply
settings for the target market. Select the target market. The selected market settings are automatically
written to the main board.
• Adjustment Program
Head ID Input
This must be carried out after replacing the printhead in order to enter
the new printhead ID (Head ID) that reduces variation between
printheads. Enter the ID printed on the Head QR code label attached on the
printhead. The correction values are automatically written to the main
board.
• Adjustment Program
USB ID Input
Sets a USB ID of the printer. A computer identifies the printer by the
ID when multiple same models are connected via a USB hub. Enter the product serial number of the printer. The ID is automatically
generated and written to the main board.
• Adjustment Program
Initialize PF Deterioration
Offset Resets the counter to maintain paper feed accuracy which decreases
due to paper dust. Reset the counter to its default.
• Adjustment Program
Disenable PF Deterioration
Offset
When reading the counter value from the old main board is impossible
in the case of replacing the board, use this to set the counter to its
maximum value. Set the counter to its maximum value (3000).
• Adjustment Program
TOP Margin Adjustment
This corrects top margin of printout. A top margin adjustment pattern is printed. Examine the lines printed
near the top edge of the printout, and enter the value for the line that is
exactly 3 mm away from the top edge.
• Adjustment Program
• Ruler
Head angular adjustment
This must be carried out after replacing the printhead in order to correct
tilt of the printhead by software. A head angular adjustment pattern is printed. Examine the printed lines
and enter the value for the most straight lines.
• Adjustment Program